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6-1. BLOCK DIAGRAM – CD SERVO Section –
A
6
B
7
C
8
D
9
DETECTOR
F
11
F I-V AMP
E
10
E I-V AMP
OPTICAL PICK-UP
BLOCK
(KSM-213DHAP)
LASER DIODE
AUTOMATIC
LD
POWER
1
CONTROL
Q101
PD
LD
SP+
16
M102
M
SP–
(SPINDLE)
15
SD+
14
M101
M
SD–
(SLED)
13
2-AXIS
DEVICE
TD+
12
TD–
11
FD+
18
FD–
17
CX-JV77
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SECTION 6
DIAGRAMS
RF AMP,
FOCUS/TRACKING ERROR AMP
IC103
26
AC
EQ
RF
SUM
IN
RFAC
RFAC
SUMMING
4
3
15
EQ
VCA
AMP
FE
FOCUS
16
ERROR AMP
FEI
D/A1
17
RFDCO
RF DC
28
AMP
RFDCI
D/A3
29
TE
TRACKING
18
ERROR AMP
TE_BAL
FEBAL
19
SW
D/A4
12
APC LD
PD
2
AMP
D/A2
FOCUS/TRACKING COIL DRIVE,
SPINDLE/SLED MOTOR DRIVE
IC150
MOTOR
24
27
2
DRIVE
SFDR
4
MOTOR
SRDR
DRIVE
5
TFDR
6
COIL
TRDR
DRIVE
7
FFDR
22
COIL
FRDR
DRIVE
23
20
D/A1
3
AO3
D/A2
5
AO4
D/A3
6
AO5
D/A4
9
AO6
FEBAL
2
AO2
FREQUENCY
SELECT SWITCH
Q102
FILTER
189
24
168
170 171
169
173
RFAC
PCMD
LRCK
C2PO
164 FE
CLOK
DIGITAL SIGNAL PROCESSOR,
160 RFDC
DIGITAL SERVO PROCESSOR
IC505 (1/2)
SENS
SCOR
SQSO
L SQCK
162 TE
L SCLK
163 SE
L FOK
L CDXRST
133
137 138
140 141
142 143
81
135
S101
(LIMIT)
D/A
CONVERTER
IC506
DATA
DI
12
CLK
11
CLK
LD
10
LD
4
23
23
TO IC505 (2/2)
L CDDATA
91
90
AUDIO/VIDEO
SECTION
BCK
93
92
L CDBCK
88
87
L CDLRCK
124
123
L CDC2PO
DATA
102
103
L DDAT
111
110
L DCLK
XLAT
109
108
L XLAT
113
112
L SENS
126
125
L SCOR
96
95
L SQSO
98
99
SQCK
114
115
SCLK
GFS
121
120
L GFS
131
132
FOK
105
106
XRST
ON :
When the optical
pick-up is inner
position
LOADING MOTOR DRIVE
IC701
4 OUT1
FIN
7
M751
M
(LOADING)
2 OUT2
RIN
9
TABLE MOTOR DRIVE
IC712
4 OUT1
FIN
7
M741
M
(TABLE)
2 OUT2
RIN
9
TABLE ADDRESS
LEVEL SHIFT
SENSOR
Q731
IC731
ROTARY
DISC TRAY
ENCODER
ADDRESS DETECT
S711
S751
OPEN/CLOSE
DETECT
OPEN
CLOSE
CX-JV77
• SIGNAL PATH
: CD PLAY
LM-F, LM-R,
TM-F, TM-R
LM-F
(Page 25)
A
LM-R
TM-F
TM-R
TABLE,
TABLE
TRAY, O/C
B
(Page 24)
TRAY
O/C
DATA, CLK, LD
C
(Page 24)
SYS RST
D
(Page 24)
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